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Machine learning for turbulence modeling

Event Type: 
Date and Time: 
Friday, July 22, 2022 - 16:00 to 17:30
Location: 
Bishop Auditorium (1st Floor) 518 Memorial Way Stanford, CA 94305
Event Sponsor: 
Parviz Moin, Director of Center for Turbulence Research
Speaker(s): 
Adrián Lozano-Durán (MIT)

In this tutorial, we offer an overview of different machine learning (ML) methodologies for turbulence modeling. The main focus is on RANS and LES but other reduced-order models are also discussed. First, the distinction between models and methods is highlighted. The different ML approaches are introduced according to three classifications: i) the level of modeling form of closure terms, ii) machine learning methodology and, iii) the neural network architecture. A selected number of works are used to illustrate the ML approaches. Finally, we address the question: What can we do with machine-learning models for turbulence that we couldn’t do before?

Presentation: Video